Maher, John T.  1924- <br/><br/>
Opium and its derivatives :  a lecture/ 
by John T. Maher 
 - 	Washington :  Dept. of Justice, Drug Enforcement Administration, National Training Institute,  1976 
 - 	46 p. :  ill. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opium<br/>Narcotics.
<br/><br/><label>Dewey Class. No.: </label>615.952